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Nothing fishy about it: Copenhagen chasing world Biohut record

Christian Wenande
August 31st, 2021


This article is more than 3 years old.

Following a successful introduction to fish hotels, the capital is looking to become the world leader in regards to Biohut installations

A haven for small fish (photo: By & Havn)

A few months ago, Copenhagen teamed up with the World Wildlife Foundation (WWF) to establish 50 fish hotels (so called Biohuts) in the harbour to protect fish and promote biodiversity in the city’s waterfront area.

The installation – the largest in northern Europe – has been deemed a huge success and now the capital is gunning for the unofficial world record by installing another 50 Biohuts.

Sightseeing firm Stromma has agreed to help fund the installation of 20 Biohuts – two will be set up already in the coming weeks at Frederiksholms Kanal and Ofelia Plads.

City developer By & Havn is on the lookout for co-operation partners to help fund the establishment of the remaining Biohuts, and 25 have been put up for sale for prospective partners to help contribute.

READ ALSO: Fish kindergartens in the Port of Copenhagen

Instagram competition
The final five Biohuts will be allocated an Instagram photo competition where ordinary citizens can participate and potentially have their names inscribed on a Biohut and become part of harbour history … at least for the decade the fish hotels have as a lifespan.

You take part by putting up a picture on Instagram using the hashtag #SammenOmHavetiHavnen. The theme of the photo should reflect that we all stand together for the sea in the harbour. 

The competition runs from September 1-14 and the winners will be announced here.

“Copenhagen has one of the cleanest harbours in the world, helped on by, among other things, By & Havn cleaning it several times weekly before the city awakes,” said Anne Skovbro, the head of By & Havn.

“We want to further improve life under the water and ensure that the harbour’s ecosystem is functional.”

Made of a steel cage, which contains a small lattice box filled with empty oyster shells where algae and small organisms can grow, the Biohuts allow for a space where fish can both eat and be safe from larger fish.

Check out the video below for more of an insight.


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A survey carried out by Megafon for TV2 has found that 71 percent of parents have handed over children to daycare in spite of them being sick.

Moreover, 21 percent of those surveyed admitted to medicating their kids with paracetamol, such as Panodil, before sending them to school.

The FOLA parents’ organisation is shocked by the findings.

“I think it is absolutely crazy. It simply cannot be that a child goes to school sick and plays with lots of other children. Then we are faced with the fact that they will infect the whole institution,” said FOLA chair Signe Nielsen.

Pill pushers
At the Børnehuset daycare institution in Silkeborg a meeting was called where parents were implored not to bring their sick children to school.

At Børnehuset there are fears that parents prefer to pack their kids off with a pill without informing teachers.

“We occasionally have children who that they have had a pill for breakfast,” said headteacher Susanne Bødker. “You might think that it is a Panodil more than a vitamin pill, if it is a child who has just been sick, for example.”

Parents sick and tired
Parents, when confronted, often cite pressure at work as a reason for not being able to stay at home with their children.

Many declare that they simply cannot take another day off, as they are afraid of being fired.

Allan Randrup Thomsen, a professor of virology at KU, has heavily criticised the parents’ actions, describing the current situation as a “vicious circle”.

“It promotes the spread of viruses, and it adds momentum to a cycle where parents are pressured by high levels of sick-leave. If they then choose to send the children to daycare while they are still recovering, they keep the epidemic going in daycares, and this in turn puts a greater burden on the parents.”